Roof jack



FIG. 1 is a front perspective view of the roof jack;

FIG. 2 is a bottom perspective view of the roof jack;

FIG. 3 is a top view of the roof jack;

FIG. 4 is a bottom view of the roof jack;

FIG. 5 is a front side view of the roof jack;

FIG. 6 is a back side view of the roof jack;

FIG. 7 is a right side view of the roof jack;

FIG. 8 is a left side view of the roof jack; and,

FIG. 9 is a bottom perspective view of the roof jack.

CLAIM I claim the ornamental design for a roof jack, as shown anddescribed.